JEECUP 2026 Group L Post Diploma in Industrial Safety Question Paper: Download Answer Key with Solutions

JEECUP Questions

• 1.

  Water falls from 100 metre height. What will be temperature rise per kg of water due to fall?
  \(g = 10 \, \text{m/s}^2\), specific heat of water = 4200 Joule/kg°C

  • 2.238°C
  • 1.238°C
  • 0.0238°C
  • 0.238°C
  View Solution

  ---

• 2.

  In which of the following compounds does the oxidation number of oxygen equal +2?

  • \( F_2O \)
  • \( Na_2O_2 \)
  • \( K_2O \)
  • \( O_3 \)
  View Solution

  ---

• 3.

  A gas undergoes an isothermal process at 300 K, and its volume increases from 2 L to 4 L. If the initial pressure is 2 atm, what is the work done by the gas? (R = 8.314 J/mol·K, assume 1 mole)

  • 415.7 J
    
  • 831.4 J
    
  • 207.8 J
    
  • 623.1 J
    
  View Solution

  ---

• 4.

  10.0 gm \( \text{CaCO}_3 \) on heating gave 5.6 gm of \( \text{CaO} \) and 4.4 gm of \( \text{CO}_2 \), given data support the law of:

  • Multiple proportion
  • Constant proportion
  • Law of conservation of mass
  • All of these
  View Solution

  ---

• 5.

  Which of the following molecules has a trigonal planar molecular geometry?

  • NH₃
    
  • BF₃
    
  • H₂O
    
  • CH₄
    
  View Solution

  ---

• 6.

  A block of mass 5 kg is placed on a frictionless surface and pushed with a force of 20 N at an angle of 30° to the horizontal. What is the acceleration of the block?

  • 3.46 m/s²
    
  • 4.00 m/s²
    
  • 3.00 m/s²
    
  • 2.31 m/s²
    
  View Solution